https://github.com/luporl updated
https://github.com/llvm/llvm-project/pull/77365
>From 01a2a8d315af2edb9fe3f0c9b57b5c74935521f1 Mon Sep 17 00:00:00 2001
From: Leandro Lupori <leandro.lup...@linaro.org>
Date: Mon, 8 Jan 2024 16:37:54 -0300
Subject: [PATCH 1/6] [flang][driver] Add support for -isysroot in the frontend
If DEFAULT_SYSROOT is not specfied when building flang, then the
-isysroot flag is needed to link binaries against system libraries
on Darwin. It's also needed when linking against a non-default
sysroot.
---
clang/include/clang/Driver/Options.td | 2 +-
flang/test/Driver/driver-help-hidden.f90 | 1 +
flang/test/Driver/driver-help.f90 | 1 +
flang/test/Driver/isysroot.f90 | 12 ++++++++++++
4 files changed, 15 insertions(+), 1 deletion(-)
create mode 100644 flang/test/Driver/isysroot.f90
diff --git a/clang/include/clang/Driver/Options.td
b/clang/include/clang/Driver/Options.td
index 6aff37f1336871..f42e9c7eb92a67 100644
--- a/clang/include/clang/Driver/Options.td
+++ b/clang/include/clang/Driver/Options.td
@@ -4265,7 +4265,7 @@ def iquote : JoinedOrSeparate<["-"], "iquote">,
Group<clang_i_Group>,
Visibility<[ClangOption, CC1Option]>,
HelpText<"Add directory to QUOTE include search path">,
MetaVarName<"<directory>">;
def isysroot : JoinedOrSeparate<["-"], "isysroot">, Group<clang_i_Group>,
- Visibility<[ClangOption, CC1Option]>,
+ Visibility<[ClangOption, CC1Option, FlangOption]>,
HelpText<"Set the system root directory (usually /)">, MetaVarName<"<dir>">,
MarshallingInfoString<HeaderSearchOpts<"Sysroot">, [{"/"}]>;
def isystem : JoinedOrSeparate<["-"], "isystem">, Group<clang_i_Group>,
diff --git a/flang/test/Driver/driver-help-hidden.f90
b/flang/test/Driver/driver-help-hidden.f90
index 9a11a7a571ffcc..a4444ca043d0ea 100644
--- a/flang/test/Driver/driver-help-hidden.f90
+++ b/flang/test/Driver/driver-help-hidden.f90
@@ -111,6 +111,7 @@
! CHECK-NEXT: -g Generate source-level debug information
! CHECK-NEXT: --help-hidden Display help for hidden options
! CHECK-NEXT: -help Display available options
+! CHECK-NEXT: -isysroot <dir> Set the system root directory (usually /)
! CHECK-NEXT: -I <dir> Add directory to the end of the list of
include search paths
! CHECK-NEXT: -L <dir> Add directory to library search path
! CHECK-NEXT: -march=<value> For a list of available architectures
for the target use '-mcpu=help'
diff --git a/flang/test/Driver/driver-help.f90
b/flang/test/Driver/driver-help.f90
index e0e74dc56f331e..07189264104592 100644
--- a/flang/test/Driver/driver-help.f90
+++ b/flang/test/Driver/driver-help.f90
@@ -97,6 +97,7 @@
! HELP-NEXT: -g Generate source-level debug information
! HELP-NEXT: --help-hidden Display help for hidden options
! HELP-NEXT: -help Display available options
+! HELP-NEXT: -isysroot <dir> Set the system root directory (usually /)
! HELP-NEXT: -I <dir> Add directory to the end of the list of
include search paths
! HELP-NEXT: -L <dir> Add directory to library search path
! HELP-NEXT: -march=<value> For a list of available architectures for
the target use '-mcpu=help'
diff --git a/flang/test/Driver/isysroot.f90 b/flang/test/Driver/isysroot.f90
new file mode 100644
index 00000000000000..70d2fc0345ce50
--- /dev/null
+++ b/flang/test/Driver/isysroot.f90
@@ -0,0 +1,12 @@
+! Verify that the -isysroot flag is known to the frontend and, on Darwin,
+! is passed on to the linker.
+
+! RUN: %flang -### --target=aarch64-apple-darwin -isysroot /path/to/sysroot \
+! RUN: %s 2>&1 | FileCheck %s --check-prefix=CHECK-DARWIN
+! RUN: %flang -### --target=aarch64-linux-gnu -isysroot /path/to/sysroot \
+! RUN: %s 2>&1 | FileCheck %s --check-prefix=CHECK-LINUX
+
+! CHECK-DARWIN: "{{.*}}/ld" {{.*}}"-syslibroot" "/path/to/sysroot"
+! Unused on Linux.
+! CHECK-LINUX: warning: argument unused during compilation: '-isysroot
/path/to/sysroot'
+! CHECK-LINUX-NOT: /path/to/sysroot
>From b12c6abdffcdf1972db6b1ec59c910c92eb38f9d Mon Sep 17 00:00:00 2001
From: Leandro Lupori <leandro.lup...@linaro.org>
Date: Tue, 9 Jan 2024 08:45:10 -0300
Subject: [PATCH 2/6] Fix test on Windows
---
flang/test/Driver/isysroot.f90 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/flang/test/Driver/isysroot.f90 b/flang/test/Driver/isysroot.f90
index 70d2fc0345ce50..b3871b352fcfb2 100644
--- a/flang/test/Driver/isysroot.f90
+++ b/flang/test/Driver/isysroot.f90
@@ -6,7 +6,7 @@
! RUN: %flang -### --target=aarch64-linux-gnu -isysroot /path/to/sysroot \
! RUN: %s 2>&1 | FileCheck %s --check-prefix=CHECK-LINUX
-! CHECK-DARWIN: "{{.*}}/ld" {{.*}}"-syslibroot" "/path/to/sysroot"
+! CHECK-DARWIN: "{{.*[\/]}}ld" {{.*}}"-syslibroot" "/path/to/sysroot"
! Unused on Linux.
! CHECK-LINUX: warning: argument unused during compilation: '-isysroot
/path/to/sysroot'
! CHECK-LINUX-NOT: /path/to/sysroot
>From c47d15b3e947e4a55de8b7c276dca1eacfa7caa4 Mon Sep 17 00:00:00 2001
From: Leandro Lupori <leandro.lup...@linaro.org>
Date: Tue, 9 Jan 2024 09:27:46 -0300
Subject: [PATCH 3/6] Update driver docs
---
clang/docs/InternalsManual.rst | 2 +-
flang/docs/FlangDriver.md | 7 +++++++
2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/clang/docs/InternalsManual.rst b/clang/docs/InternalsManual.rst
index 05fadf5a034464..aa0a47648e511b 100644
--- a/clang/docs/InternalsManual.rst
+++ b/clang/docs/InternalsManual.rst
@@ -931,7 +931,7 @@ the option appears on the command line, the argument value
is simply copied.
.. code-block:: text
def isysroot : JoinedOrSeparate<["-"], "isysroot">,
- Visibility<[ClangOption, CC1Option]>,
+ Visibility<[ClangOption, CC1Option, FlangOption]>,
MarshallingInfoString<HeaderSearchOpts<"Sysroot">, [{"/"}]>;
**List of Strings**
diff --git a/flang/docs/FlangDriver.md b/flang/docs/FlangDriver.md
index fa39889927e0eb..8741a394528b11 100644
--- a/flang/docs/FlangDriver.md
+++ b/flang/docs/FlangDriver.md
@@ -220,6 +220,13 @@ static or shared library, the generated library does not
need a `main`
function, as a final link stage will occur that will provide the `Fortran_main`
library when creating the final executable.
+On Darwin, the logical root where the system libraries are located (sysroot)
+must be specified. This can be done with the cmake build flag `DEFAULT_SYSROOT`
+or by using the `-isysroot` flag when linking a binary. On other targets
+`-isysroot` doesn't change the linker command line. While with Clang
+`-isysroot` also changes the sysroot for includes, with Flang it only affects
+Darwin libraries' sysroot.
+
## Frontend Driver
Flang's frontend driver is the main interface between compiler developers and
the Flang frontend. The high-level design is similar to Clang's frontend
>From 797e906a23524332f951d20fa0dd6d12b52705c2 Mon Sep 17 00:00:00 2001
From: Leandro Lupori <leandro.lup...@linaro.org>
Date: Tue, 9 Jan 2024 17:22:57 -0300
Subject: [PATCH 4/6] Address review's comments
---
flang/docs/FlangDriver.md | 9 ++++----
flang/test/Driver/compiler-options.f90 | 2 +-
flang/test/Driver/ctofortran.f90 | 23 +++++++++++--------
flang/test/Driver/exec-darwin.f90 | 11 +++++++++
flang/test/Driver/falias-analysis.f90 | 10 ++++----
.../input-from-stdin/input-from-stdin.f90 | 8 +++----
.../test/Preprocessing/preprocessed-dirs.F90 | 2 +-
.../test/Semantics/OpenMP/use_device_addr.f90 | 2 +-
.../test/Semantics/OpenMP/use_device_ptr.f90 | 2 +-
flang/test/lit.cfg.py | 16 +++++++++----
10 files changed, 54 insertions(+), 31 deletions(-)
create mode 100644 flang/test/Driver/exec-darwin.f90
diff --git a/flang/docs/FlangDriver.md b/flang/docs/FlangDriver.md
index 8741a394528b11..ae0e6edd6006ce 100644
--- a/flang/docs/FlangDriver.md
+++ b/flang/docs/FlangDriver.md
@@ -221,11 +221,12 @@ function, as a final link stage will occur that will
provide the `Fortran_main`
library when creating the final executable.
On Darwin, the logical root where the system libraries are located (sysroot)
-must be specified. This can be done with the cmake build flag `DEFAULT_SYSROOT`
+must be specified. This can be done with the CMake build flag `DEFAULT_SYSROOT`
or by using the `-isysroot` flag when linking a binary. On other targets
-`-isysroot` doesn't change the linker command line. While with Clang
-`-isysroot` also changes the sysroot for includes, with Flang it only affects
-Darwin libraries' sysroot.
+`-isysroot` doesn't change the linker command line (it only affects the header
+search path). While with Clang `-isysroot` also changes the sysroot for
+includes, with Flang (and Fortran in general) it only affects Darwin libraries'
+sysroot.
## Frontend Driver
Flang's frontend driver is the main interface between compiler developers and
diff --git a/flang/test/Driver/compiler-options.f90
b/flang/test/Driver/compiler-options.f90
index d0bafbffafdfe9..7ec29ce7ba7abf 100644
--- a/flang/test/Driver/compiler-options.f90
+++ b/flang/test/Driver/compiler-options.f90
@@ -1,6 +1,6 @@
! RUN: %flang -S -emit-llvm -flang-deprecated-no-hlfir -o - %s | FileCheck %s
! Test communication of COMPILER_OPTIONS from flang-new to flang-new -fc1.
-! CHECK: [[OPTSVAR:@_QQclX[0-9a-f]+]] = {{[a-z]+}} constant
[[[OPTSLEN:[0-9]+]] x i8] c"{{.*}}flang-new{{(\.exe)?}} -S -emit-llvm
-flang-deprecated-no-hlfir -o - {{.*}}compiler-options.f90"
+! CHECK: [[OPTSVAR:@_QQclX[0-9a-f]+]] = {{[a-z]+}} constant
[[[OPTSLEN:[0-9]+]] x i8] c"{{.*}}flang-new{{(\.exe)?}} {{.*}}-S -emit-llvm
-flang-deprecated-no-hlfir -o - {{.*}}compiler-options.f90"
program main
use ISO_FORTRAN_ENV, only: compiler_options
implicit none
diff --git a/flang/test/Driver/ctofortran.f90 b/flang/test/Driver/ctofortran.f90
index ceb253def5c52b..78eac32133b18e 100644
--- a/flang/test/Driver/ctofortran.f90
+++ b/flang/test/Driver/ctofortran.f90
@@ -1,8 +1,7 @@
-! MacOS needs -isysroot <osx_sysroot> with clang and flang to build binaries.
-! UNSUPPORTED: system-windows, system-darwin
+! UNSUPPORTED: system-windows
! RUN: split-file %s %t
! RUN: chmod +x %t/runtest.sh
-! RUN: %t/runtest.sh %t %flang $t/ffile.f90 $t/cfile.c
+! RUN: %t/runtest.sh %t %t/ffile.f90 %t/cfile.c %flang | FileCheck %s
!--- ffile.f90
program fmain
@@ -68,15 +67,21 @@ end subroutine foo
}
!--- runtest.sh
#!/bin/bash
-export BINDIR=`dirname $2`
-export CCOMP=$BINDIR/clang
+TMPDIR=$1
+FFILE=$2
+CFILE=$3
+FLANG=$4
+shift 4
+FLAGS="$*"
+BINDIR=`dirname $FLANG`
+LIBDIR=$BINDIR/../lib
+CCOMP=$BINDIR/clang
if [ -x $CCOMP ]
then
- export LIBDIR=$BINDIR/../lib
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$LIBDIR
- $CCOMP -c $1/$4 -o $1/cfile.o
- $2 $1/$3 $1/cfile.o -o $1/ctofortran
- $1/ctofortran # should print "PASS"
+ $CCOMP $FLAGS -c $CFILE -o $TMPDIR/cfile.o
+ $FLANG $FLAGS $FFILE $TMPDIR/cfile.o -o $TMPDIR/ctofortran
+ $TMPDIR/ctofortran # should print "PASS"
else
# No clang compiler, just pass by default
echo "PASS"
diff --git a/flang/test/Driver/exec-darwin.f90
b/flang/test/Driver/exec-darwin.f90
new file mode 100644
index 00000000000000..27e232eb2f3446
--- /dev/null
+++ b/flang/test/Driver/exec-darwin.f90
@@ -0,0 +1,11 @@
+! REQUIRES: system-darwin
+! Verify that flang can correctly build executables on Darwin.
+
+! RUN: %flang %s -o %t
+! RUN: %t | FileCheck %s
+! RUN: rm -f %t
+
+! CHECK: Hello, World!
+program hello
+ print *, "Hello, World!"
+end program
diff --git a/flang/test/Driver/falias-analysis.f90
b/flang/test/Driver/falias-analysis.f90
index fd2ac9d4d0daca..5cc13bdd2a7fa5 100644
--- a/flang/test/Driver/falias-analysis.f90
+++ b/flang/test/Driver/falias-analysis.f90
@@ -9,12 +9,12 @@
! RUN: %flang -c -emit-llvm -O0 %s -o - | llvm-dis | FileCheck %s
--check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
! RUN: %flang -c -emit-llvm %s -o - | llvm-dis | FileCheck %s
--check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
-! RUN: %flang -fc1 -emit-llvm -O3 %s -o - | FileCheck %s
--check-prefix=CHECK-AA --check-prefix=CHECK-ALL
-! RUN: %flang -fc1 -emit-llvm -O2 %s -o - | FileCheck %s
--check-prefix=CHECK-AA --check-prefix=CHECK-ALL
-! RUN: %flang -fc1 -emit-llvm -O1 %s -o - | FileCheck %s
--check-prefix=CHECK-AA --check-prefix=CHECK-ALL
+! RUN: %flang_fc1 -emit-llvm -O3 %s -o - | FileCheck %s
--check-prefix=CHECK-AA --check-prefix=CHECK-ALL
+! RUN: %flang_fc1 -emit-llvm -O2 %s -o - | FileCheck %s
--check-prefix=CHECK-AA --check-prefix=CHECK-ALL
+! RUN: %flang_fc1 -emit-llvm -O1 %s -o - | FileCheck %s
--check-prefix=CHECK-AA --check-prefix=CHECK-ALL
-! RUN: %flang -fc1 -emit-llvm -O0 %s -o - | FileCheck %s
--check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
-! RUN: %flang -fc1 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-NOAA
--check-prefix=CHECK-ALL
+! RUN: %flang_fc1 -emit-llvm -O0 %s -o - | FileCheck %s
--check-prefix=CHECK-NOAA --check-prefix=CHECK-ALL
+! RUN: %flang_fc1 -emit-llvm %s -o - | FileCheck %s --check-prefix=CHECK-NOAA
--check-prefix=CHECK-ALL
subroutine simple(a)
integer, intent(inout) :: a(:)
diff --git a/flang/test/Driver/input-from-stdin/input-from-stdin.f90
b/flang/test/Driver/input-from-stdin/input-from-stdin.f90
index a1f5fca99705df..285f0751b35d8b 100644
--- a/flang/test/Driver/input-from-stdin/input-from-stdin.f90
+++ b/flang/test/Driver/input-from-stdin/input-from-stdin.f90
@@ -17,13 +17,13 @@
! FLANG FRONTEND DRIVER (flang -fc1)
!---------------------------------------
! Test `-E`: for the corresponding frontend actions the driver relies on the
prescanner API to handle file I/O
-! RUN: cat %s | %flang -fc1 -E -cpp | FileCheck %s
--check-prefix=PP-NOT-DEFINED
-! RUN: cat %s | %flang -fc1 -DNEW -E -cpp | FileCheck %s
--check-prefix=PP-DEFINED
+! RUN: cat %s | %flang_fc1 -E -cpp | FileCheck %s --check-prefix=PP-NOT-DEFINED
+! RUN: cat %s | %flang_fc1 -DNEW -E -cpp | FileCheck %s
--check-prefix=PP-DEFINED
! Test `-test-io`: for the corresponding frontend action
(`InputOutputTestAction`) the driver handles the file I/O on its own
! the corresponding action (`PrintPreprocessedAction`)
-! RUN: cat %s | %flang -fc1 -test-io -cpp | FileCheck %s --check-prefix=IO
--match-full-lines
-! RUN: cat %s | %flang -fc1 -DNEW -cpp -test-io | FileCheck %s
--check-prefix=IO --match-full-lines
+! RUN: cat %s | %flang_fc1 -test-io -cpp | FileCheck %s --check-prefix=IO
--match-full-lines
+! RUN: cat %s | %flang_fc1 -DNEW -cpp -test-io | FileCheck %s
--check-prefix=IO --match-full-lines
! PP-NOT-DEFINED: Program B
! PP-DEFINED: Program A
diff --git a/flang/test/Preprocessing/preprocessed-dirs.F90
b/flang/test/Preprocessing/preprocessed-dirs.F90
index 8ac769fdfb61da..26253b62ff22c5 100644
--- a/flang/test/Preprocessing/preprocessed-dirs.F90
+++ b/flang/test/Preprocessing/preprocessed-dirs.F90
@@ -1,4 +1,4 @@
-! RUN: %flang -fc1 -E -fopenacc %s 2>&1 | FileCheck %s
+! RUN: %flang_fc1 -E -fopenacc %s 2>&1 | FileCheck %s
!CHECK: subroutine r4(x) Z real :: x Z !$acc routine Z print *, x Z end
#define SUB(s, t) subroutine s(x) Z\
t :: x Z\
diff --git a/flang/test/Semantics/OpenMP/use_device_addr.f90
b/flang/test/Semantics/OpenMP/use_device_addr.f90
index 67b274929647ce..93a7643b5eb485 100644
--- a/flang/test/Semantics/OpenMP/use_device_addr.f90
+++ b/flang/test/Semantics/OpenMP/use_device_addr.f90
@@ -1,4 +1,4 @@
-! RUN: %flang -fc1 -fopenmp -fdebug-dump-symbols %s | FileCheck %s
+! RUN: %flang_fc1 -fopenmp -fdebug-dump-symbols %s | FileCheck %s
! OpenMP Version 5.1
! 2.14.2 use_device_addr clause
! List item that appears in a use_device_addr clause has corresponding storage
diff --git a/flang/test/Semantics/OpenMP/use_device_ptr.f90
b/flang/test/Semantics/OpenMP/use_device_ptr.f90
index 08c25ed592a2ca..64b98cf67961d1 100644
--- a/flang/test/Semantics/OpenMP/use_device_ptr.f90
+++ b/flang/test/Semantics/OpenMP/use_device_ptr.f90
@@ -1,4 +1,4 @@
-! RUN: %flang -fc1 -fopenmp -fdebug-dump-symbols %s | FileCheck %s
+! RUN: %flang_fc1 -fopenmp -fdebug-dump-symbols %s | FileCheck %s
! OpenMP Version 5.0
! 2.10.1 use_device_ptr clause
! List items that appear in a use_device_ptr clause are converted into device
diff --git a/flang/test/lit.cfg.py b/flang/test/lit.cfg.py
index ac504dc5d1fbdf..bb9cfafa102f3b 100644
--- a/flang/test/lit.cfg.py
+++ b/flang/test/lit.cfg.py
@@ -118,10 +118,17 @@
"PATH", config.flang_llvm_tools_dir, append_path=True
)
+# On MacOS, -isysroot is needed to build binaries.
+isysroot_flag = []
+if config.osx_sysroot:
+ isysroot_flag = ["-isysroot", config.osx_sysroot]
+
# For each occurrence of a flang tool name, replace it with the full path to
# the build directory holding that tool.
tools = [
- ToolSubst("%flang", command=FindTool("flang-new"), unresolved="fatal"),
+ ToolSubst("%flang", command=FindTool("flang-new"),
+ extra_args=isysroot_flag,
+ unresolved="fatal"),
ToolSubst(
"%flang_fc1",
command=FindTool("flang-new"),
@@ -163,10 +170,9 @@
and os.path.isdir(include)
):
config.available_features.add("c-compiler")
- cc_cmd = config.cc
- if config.osx_sysroot:
- cc_cmd += " -isysroot " + config.osx_sysroot
- tools.append(ToolSubst("%cc", command=cc_cmd, unresolved="fatal"))
+ tools.append(ToolSubst("%cc", command=config.cc,
+ extra_args=isysroot_flag,
+ unresolved="fatal"))
tools.append(ToolSubst("%libruntime", command=libruntime,
unresolved="fatal"))
tools.append(ToolSubst("%libdecimal", command=libdecimal,
unresolved="fatal"))
tools.append(ToolSubst("%include", command=include,
unresolved="fatal"))
>From 47bb3efdf9becb8dd7b9f01eaf364086d9aefdc4 Mon Sep 17 00:00:00 2001
From: Leandro Lupori <leandro.lup...@linaro.org>
Date: Tue, 9 Jan 2024 17:30:21 -0300
Subject: [PATCH 5/6] Fix python format
---
flang/test/lit.cfg.py | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/flang/test/lit.cfg.py b/flang/test/lit.cfg.py
index bb9cfafa102f3b..e9d7c3c5dda4a4 100644
--- a/flang/test/lit.cfg.py
+++ b/flang/test/lit.cfg.py
@@ -126,9 +126,12 @@
# For each occurrence of a flang tool name, replace it with the full path to
# the build directory holding that tool.
tools = [
- ToolSubst("%flang", command=FindTool("flang-new"),
- extra_args=isysroot_flag,
- unresolved="fatal"),
+ ToolSubst(
+ "%flang",
+ command=FindTool("flang-new"),
+ extra_args=isysroot_flag,
+ unresolved="fatal"
+ ),
ToolSubst(
"%flang_fc1",
command=FindTool("flang-new"),
@@ -170,9 +173,11 @@
and os.path.isdir(include)
):
config.available_features.add("c-compiler")
- tools.append(ToolSubst("%cc", command=config.cc,
- extra_args=isysroot_flag,
- unresolved="fatal"))
+ tools.append(
+ ToolSubst(
+ "%cc", command=config.cc, extra_args=isysroot_flag,
unresolved="fatal"
+ )
+ )
tools.append(ToolSubst("%libruntime", command=libruntime,
unresolved="fatal"))
tools.append(ToolSubst("%libdecimal", command=libdecimal,
unresolved="fatal"))
tools.append(ToolSubst("%include", command=include,
unresolved="fatal"))
>From f1bfb19f31fbf80b4bd789278b149399e9ccde34 Mon Sep 17 00:00:00 2001
From: Leandro Lupori <leandro.lup...@linaro.org>
Date: Tue, 9 Jan 2024 17:38:26 -0300
Subject: [PATCH 6/6] Fix python format - attempt 2
---
flang/test/lit.cfg.py | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/flang/test/lit.cfg.py b/flang/test/lit.cfg.py
index e9d7c3c5dda4a4..2e0a494ef4bc68 100644
--- a/flang/test/lit.cfg.py
+++ b/flang/test/lit.cfg.py
@@ -130,7 +130,7 @@
"%flang",
command=FindTool("flang-new"),
extra_args=isysroot_flag,
- unresolved="fatal"
+ unresolved="fatal",
),
ToolSubst(
"%flang_fc1",
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